Who is asking: Other

Level: Secondary

Question:

My wife and I are haveing an argument over the answer to this question, what is the total number of degrees through which the hour hand of the clock moves in 3 hours and 18 minutes?

Thanks in advance.

It depends on the clock. Sometimes the hour hand is fixed for an hour then jumps 1/12 of the circle to start the next hour. Assuming that the hourhand of a 12-hour clock moves continuously, in each minute it moves 1/60 of 1/12 of the circle -- 360/(12*60) = 1/2 degree per minute. In 3h 18m it moves 99 degrees.

Cheers

Chris

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